package ooday01;

public class ConsDemo {
    public static void main(String[] args) {
        Student zg = new Student();
        zg.name = "zg";
        zg.age = 21;
        zg.className = "jsd";
        zg.stuId = "001";
        zg.sayHi();
        Student ll = new Student("ll", 22, "jsd", "002");
        ll.sayHi();
        Student zl = new Student("zl", 21, "jsd", "003");
        zl.sayHi();
    }
}
